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Related papers: Magnetic fields facilitate DNA-mediated charge tra…

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It is shown through analytical modeling and numerical simulations that external magnetic fields can relax the self-trapping thresholds in plasma based accelerators. In addition, the transverse location where self-trapping occurs can be…

Plasma Physics · Physics 2015-06-11 J. Vieira , J. L. Martins , V. B. Pathak , R. A. Fonseca , W. B. Mori , L. O. Silva

Rare-earth (RE) atoms on top of 2D materials represent an interesting platform with the prospect of tailoring the magnetic anisotropy for practical applications. Here, we investigate the ground state and magnetic properties of selected…

Mesoscale and Nanoscale Physics · Physics 2024-07-25 Johanna P. Carbone , Juba Bouaziz , Gustav Bihlmayer , Stefan Blügel

We investigate magnetic, charge and transport properties of hexagonal graphene nanoflakes (GNFs) connected to two metallic leads by using the functional renormalization group (fRG) method. The interplay between the on-site and long-range…

Strongly Correlated Electrons · Physics 2021-12-30 V. S. Protsenko , A. A. Katanin

Cryptochrome flavoproteins are prime candidates for mediating magnetic sensing in migratory animals via the radical pair mechanism (RPM), a spin-dependent process initiated by photoinduced electron transfer. The canonical FAD-tryptophan…

Biomolecules · Quantitative Biology 2025-09-01 Zou Chengye , Liu Ya-jun , Wang Beibei

This study investigates the modulation of particle fluxes at the Earths surface influenced by the intensity and orientation of the Interplanetary magnetic field (IMF) carried by the Coronal Mass Ejecta (ICME). We examine how IMF and its Bz…

Space Physics · Physics 2024-06-25 A. Chilingarian , T. Karapetyan , B. Sargsyan , K. Asatryan , G. Gabaryan

Charge migration along DNA molecules has attracted scientific interest for over half a century. Reports on possible high rates of charge transfer between donor and acceptor through the DNA, obtained in the last decade from solution…

Materials Science · Physics 2009-11-10 Danny Porath , Gianaurelio Cuniberti , Rosa Di Felice

The electronic conductance of graphene-based bilayer flake systems reveal different quantum interference effects, such as Fabry-P\'erot resonances and sharp Fano antiresonances on account of competing electronic paths through the device.…

Mesoscale and Nanoscale Physics · Physics 2017-01-18 D. Zambrano , L. Rosales , A. Latgé , M. Pacheco , P. A. Orellana

We report on (magneto)-transport experiments in chemically derived narrow graphene nanoribbons under high magnetic fields (up to 60 Tesla). Evidences of field-dependent electronic confinement features are given, and allow estimating the…

Spatially varying strained graphene can acquire interesting electronic properties because of the strain-induced valley-dependent gauge (pseudomagnetic) fields1,2. Here we report the realization of strained graphene regions located close to…

Materials Science · Physics 2015-03-31 Jun-Fang Liu , Ke-Ke Bai , Jia-Bin Qiao , Yu Zhou , Jia-Cai Nie , Hailin Peng , Zhongfan Liu , Lin He

Background: Biological effects of extra-low-frequency (ELF) magnetic fields (MF) have lacked a credible mechanism of interaction between MFs and living material. Objectives: Examine the effect of ELF-MFs on cancer cells. Methods: Five…

General Physics · Physics 2012-09-27 Ying Li , Paul Heroux

One of the most important developments in condensed matter physics in recent years has been the discovery and characterization of graphene. A two-dimensional layer of Carbon arranged in a hexagonal lattice, graphene exhibits many…

High Energy Physics - Lattice · Physics 2015-09-23 Christopher Winterowd , Carleton DeTar , Savvas Zafeiropoulos

Electron transport in graphene under a laser-modulated barrier is studied in the presence of an energy gap, a scalar potential, and a uniaxial zigzag strain. The transfer-matrix approach is used with the boundary conditions to derive the…

Mesoscale and Nanoscale Physics · Physics 2026-04-22 Hasna Chnafa , Clarence Cortes , David Laroze , Ahmed Jellal

Ammonia poses significant environmental challenges due to its role in water pollution, contributing to eutrophication and several detrimental environmental and ecological issues. Addressing the efficient removal or conversion of ammonia is,…

The rapid progress in the field of molecular electronics has led to an increasing interest on DNA oligomers as possible components of electronic circuits at the nanoscale. For this, however, an understanding of charge transfer and transport…

Soft Condensed Matter · Physics 2007-05-23 R. Gutierrez , G. Cuniberti

Recently, the application of an external magnetic field to actively control the near-field heat transfer has emerged as an appealing and promising technique. Existing studies have shown that an external static magnetic field tends to reduce…

Optics · Physics 2023-05-24 Lei Qu , Edwin Moncada-Villa , Jie-Long Fang , Yong Zhang , Hong-Liang Yi

Electronic properties of metallic and semiconducting carbon nanotubes are investigated in presence of magnetic field perpendicular to the CN-axis, and disorder introduced through energy site randomness. The magnetic field field is shown to…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Stephan Roche , Riichiro Saito

The magnetic properties of zig-zag graphene nanoflakes (ZGNF) are investigated within the framework of the dynamical mean-field theory. At half-filling and for realistic values of the local interaction, the ZGNF is in a fully compensated…

Strongly Correlated Electrons · Physics 2016-12-30 A. Valli , A. Amaricci , A. Toschi , T. Saha-Dasgupta , K. Held , M. Capone

Understanding the damage of DNA bases from hydrogen abstraction by free OH radicals is of particular importance to reveal the effect of hydroxyl radicals produced by the secondary effect of radiation. Previous studies address the problem…

Computational Physics · Physics 2016-09-28 Ramin M. Abolfath , P. K. Biswas , R. Rajnarayanam , Thomas Brabec , Reinhard Kodym , Lech Papiez

Density-functional calculations are performed to explore magnetoelectric effects originating from the influence of an external electric field on magnetic properties of the Fe/MgO(001) interface. It is shown that the effect on the interface…

Materials Science · Physics 2010-03-31 Manish K. Niranjan , Chun-Gang Duan , Sitaram S. Jaswal , Evgeny Y. Tsymbal

The electronic properties of armchair graphene nanoribbons (AGNRs) can be significantly modified from semiconducting to metallic states, by applying a uniform perpendicular magnetic field (B-field). Here, we theoretically study the bandgap…

Mesoscale and Nanoscale Physics · Physics 2010-08-11 S. Bala Kumar , M. B. A. Jalil , S. G. Tan , Gengchiau Liang